BJU Life Science, Chapter 2, 4th Edition
Terms in this set (32)
What do these criteria describe: Made of cell(s); homeostasis and regulation to stay balanced; metabolism (requires and uses energy); reproduces; grows and develops (life cycle); responds to stimuli/environment.
The smallest living unit of an organism that has a cell membrane, nucleic acid (DNA/RNA), mitochondria and other organelles, and cytoplasm; the functional and structural unit of life.
The theory that 1) all living things are made of microscopic units called cells, 2) that cells carry on the functions of living things, and 3) that cells come from preexisting cells.
functions of cells
What do these criteria describe: 1) Use energy; 2) manufacture materials; 3) respond to stimuli/environment; 4) perform the functions of living things.
This term describes a living thing composed of only one cell.
This term describes a living thing that is composed of more than one cell and whose individual cells are not able to live apart from the organism.
The ability to do work.
Plants produce their own energy by making food through photosynthesis so are called ______________________.
Animals eat other animals or plants for food so are called ________________.
Smallest particle of an element; basic unit of all matter composed of protons and nuetrons in a center nucleus with electrons moving in a "cloud" around the nucleus.
The smallest unit of a substance that consists of two or more atoms chemically bonded together.
Carbohydrates, Lipids/fats, proteins, and nucleic acids (DNA/RNA) are the four organic ___________________________ found in living organisms.
An organic compound that contains only carbon, hydrogen, and oxygen - CHO. Ex. sugar and starch.
An organic compound that is not soluble in water and that is an important component of membranes that contains carbon, hydrogen, and oxygen - CHO. Ex. fats, oils
An organic molecule made of long chains of amino acids that may serve as an enzyme, as a cellular building block, or has another function; made of carbon, hydrogen, oxygen, and nitrogen - CHON.
Proteins (names ending in -ase) that act as catalysts in living organisms and may speed up a reaction or work to put together or separate chemical substrates are called ________________.
An organic molecule that contains the genetic information of a cell needed to make proteins and maintain life; DNA or RNA; made of carbon, hydrogen, oxygen, nitrogen, and phosphorus - CHONP.
To group in an organized way.
Scientist who first proposed the classification system used today for living organisms that groups them by physical characteristics.
The science of classifying living organisms.
A taxonomic category above the kingdom level. The three domains are Archaea, Bacteria, and Eukarya.
In the modern classification system, a subdivision of the domains which place living organisms into six or seven groups; composed of phyla.
In the modern classification system, a subdivision of a kingdom that includes one or more classes of organisms.
In the modern classification system, a subdivision of a phylum that includes one or more orders of organisms.
In the modern classification system, a subdivision of a class that includes one or more families of organisms.
In the modern classification system, a subdivision of an order that includes one or more genera of organisms.
In the modern classification system, a subdivision of a family that includes one or more species of organisms.
A group of organisms that can interbreed and produce offspring capable of reproducing; a group of organisms that are structurally similar but with a degree of variation.
Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species
8 levels of classification in order from most general to most specific
The unique, two-word name of a particular organism; Genus-species name (Capitalized Genus, lowercase species, italicized).
Uncertainties in classifying an organism by its characteristics; false conclusions such as evolutionary assumptions are two ________________ in the current classification system.
A grouping of organisms attempting to determine how they were created by God at the beginning, that are able to mate and produce offspring.
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